ASTM A53 Grade B ERW pipe belongs to the ASTM A53 standard for carbon steel pipes. These pipes can be used for low pressure piping and similar purposes. ASTM A53 Class B pipe, especially electric resistance welded (ERW) pipe, is favored for welding applications for increased durability and strength.
There are three main types in the A53 standard: Type F, Type E, and Type S, each serving a different purpose. Type E is only available in Class A specifications. Pressure classes (such as ASTM A53 Class B Schedule 40) are represented by schedule numbers, and pipes typically range from NPS ½ to NPS 26.
ASTM A53 Grade B Chemical Composition
| Grade | C | Mn | P | S | Cu | Ni | Cr | Mo | V |
|---|---|---|---|---|---|---|---|---|---|
| B | 0.3 | 1.2 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
ASTM A53 Grade B Mechanical Properties
| Grade | Tensile Strength (Mpa), Min. | Yield Strength (Mpa), Min. |
|---|---|---|
| B | 415 | 240 |
Sizes of Carbon Steel ASTM A53 Grade B Pipe
| NB | Size | OD | 40S | 5S | 10S | S10 | S20 | S40 | S60 | XS/80S | S80 | S100 | S120 | S140 | S160 | XXS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ||
| 1/8" | 10.29 | 1.2 | 1.73 | 2.41 | ||||||||||||
| 1/4" | 13.72 | 1.7 | 2.24 | 3.02 | ||||||||||||
| 3/8" | 17.15 | 1.7 | 2.31 | 3.2 | ||||||||||||
| 15 | 1/2" | 21.34 | 2.8 | 1.7 | 2.1 | 2.77 | 3.73 | 3.73 | 4.78 | 7.47 | ||||||
| 20 | 3/4" | 26.67 | 2.9 | 1.7 | 2.1 | 2.87 | 3.91 | 3.91 | 5.56 | 7.82 | ||||||
| 25 | 1" | 33.4 | 3.4 | 1.7 | 2.8 | 3.38 | 4.55 | 4.55 | 6.35 | 9.09 | ||||||
| 32 | 1 1/4" | 42.16 | 3.6 | 1.7 | 2.8 | 3.56 | 4.85 | 4.85 | 6.35 | 9.7 | ||||||
| 40 | 1 1/2" | 48.26 | 3.7 | 1.7 | 2.8 | 3.68 | 5.08 | 5.08 | 7.14 | 10.2 | ||||||
| 50 | 2" | 60.33 | 3.9 | 1.7 | 2.8 | 3.91 | 5.54 | 5.54 | 9.74 | 11.1 | ||||||
| 65 | 2 1/2" | 73.03 | 5.2 | 2.1 | 3.1 | 5.16 | 7.01 | 7.01 | 9.53 | 14 | ||||||
| 80 | 3" | 88.9 | 5.5 | 2.1 | 3.1 | 5.49 | 7.62 | 7.62 | 11.1 | 15.2 | ||||||
| 90 | 3 1/2" | 101.6 | 5.7 | 2.1 | 3.1 | 5.74 | 8.08 | 8.08 | ||||||||
| 100 | 4" | 114.3 | 6 | 2.1 | 3.1 | 6.02 | 8.56 | 8.56 | 11.1 | 13.5 | 17.1 | |||||
| 125 | 5" | 141.3 | 6.6 | 2.8 | 3.4 | 6.55 | 9.53 | 9.53 | 12.7 | 15.9 | 19.1 | |||||
| 150 | 6" | 168.3 | 7.1 | 2.8 | 3.4 | 7.11 | 10.97 | 11 | 14.3 | 18.3 | 22 | |||||
| 200 | 8" | 219.1 | 8.2 | 2.8 | 3.8 | 6.4 | 8.18 | 10.3 | 12.7 | 12.7 | 15.1 | 19.3 | 20.6 | 23 | 22.2 | |
| 250 | 10" | 273.1 | 9.3 | 3.4 | 4.2 | 6.4 | 9.27 | 12.7 | 12.7 | 15.1 | 19.3 | 21.4 | 25.4 | 28.6 | 25.4 | |
| 300 | 12" | 323.9 | 9.5 | 4 | 4.6 | 6.4 | 10.3 | 14.3 | 12.7 | 17.5 | 21.4 | 25.4 | 28.6 | 33.3 | 25.4 | |
| 350 | 14" | 355.6 | 9.5 | 4 | 4.8 | 6.4 | 7.9 | 11.1 | 15.1 | 12.7 | 19.1 | 23.8 | 27.8 | 31.8 | 35.7 | |
| 400 | 16" | 406.4 | 9.5 | 4.2 | 4.8 | 6.4 | 7.9 | 12.7 | 16.7 | 12.7 | 21.4 | 26.2 | 31 | 36.5 | 40.5 | |
| 450 | 18" | 457.2 | 9.5 | 4.2 | 4.8 | 6.4 | 7.9 | 14.3 | 19.1 | 12.7 | 23.8 | 29.4 | 34.9 | 39.7 | 45.2 | |
| 500 | 20" | 508 | 9.5 | 4.8 | 5.5 | 6.4 | 9.5 | 15.1 | 20.6 | 12.7 | 26.2 | 32.5 | 38.1 | 44.5 | 50 | |
| 550 | 22" | 558.8 | 9.5 | 4.8 | 5.5 | 6.4 | 9.5 | 22.2 | 12.7 | 28.6 | 34.9 | 41.3 | 47.6 | 54 | ||
| 600 | 24" | 609.6 | 9.5 | 5.5 | 6.4 | 6.4 | 9.5 | 17.5 | 24.6 | 12.7 | 31 | 38.9 | 46 | 52.4 | 59.5 | |
| 650 | 26" | 660.4 | 9.5 | 7.9 | 13 | 12.7 | ||||||||||
| 700 | 28" | 711.2 | 9.5 | 7.9 | 13 | 12.7 | ||||||||||
| 750 | 30" | 762 | 9.5 | 6.4 | 7.9 | 7.9 | 13 | 12.7 | ||||||||
| 800 | 32" | 812.8 | 9.5 | 7.9 | 13 | 17.5 | 12.7 | |||||||||
| 850 | 34" | 863.6 | 9.5 | 7.9 | 13 | 17.5 | 12.7 | |||||||||
| 900 | 36" | 914.4 | 9.5 | 7.9 | 13 | 19.1 | 12.7 |